we feel like our job is bested perfowhen an online interaction on next door leads . your box story, when you needed boxes, ultimately you had to interact with someone toe exchae boxes. now you know a new neighbor. we see that all the time. >> you've also had some growing there have been some problems with racial profiling. residents were posting messages about people ei color in t neighborhoods. what have you done to address this? >> we were shocked to se our matt form being used in this area, hearing about communities in oaklandof when we became this happening was a shock to the system. but we work together to redesign our product in a way that is almost unprecedented in technology where a few things that important to us, were to make peoplf aware the fact that they were using descriptive next witut the context around what was suspicious about the activit so we introduced friction into the posting process to force people to be more specific about the circumstances under which they were posting. not to be purely describing itople on the characteristics of their raceu